Domain technical report
Welcome to Bowdoin College | Bowdoin College
bowdoin.edu
Welcome to Bowdoin, a private liberal arts college in Brunswick Maine.
IPv41
IPv61
MX1
NS2
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85
Total
85
DNS
95
Email
65
Security
85
Network
100
Availability
Domainbowdoin.edu
IPv41
IPv61
MX records1
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)30 / 30 pts · Dns
1 IPv4 address(es) detected.
IPv6 (AAAA)10 / 10 pts · Dns
1 IPv6 address(es) detected.
Name server redundancy20 / 20 pts · Dns
2 NS record(s); 2 or more required.
SOA record10 / 10 pts · Dns
Authoritative zone record.
DNSSEC chain0 / 15 pts · Dns
Both DS and DNSKEY are required.
CAA policy5 / 5 pts · Dns
Certificate authority restriction.
DNS propagation10 / 10 pts · Dns
Agreement between public resolvers.
MX records20 / 20 pts · Mail
1 MX record(s).
SPF25 / 25 pts · Mail
SPF policy published.
DMARC25 / 25 pts · Mail
DMARC policy published.
DKIM20 / 20 pts · Mail
A DKIM selector was verified.
MTA-STS0 / 5 pts · Mail
Mail transport policy.
TLS-RPT5 / 5 pts · Mail
TLS reporting policy.
Valid TLS certificate55 / 55 pts · Security
108 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers0 / 35 pts · Security
0 of 9 evaluated headers detected.
PTR reverse DNS30 / 30 pts · Network
PTR: dmz-vip.bowdoin.edu
IPv4 diversity20 / 35 pts · Network
Two or more IPv4 addresses receive full points.
IPv6 connectivity35 / 35 pts · Network
AAAA availability.
DNS resolution40 / 40 pts · Availability
At least one address family must resolve.
HTTP response40 / 40 pts · Availability
HTTP/1.1 200 OK
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
1 record(s)139.140.238.112
AAAA
1 record(s)2620:0:2b79:6234::112
CNAME
0 record(s)—
Not configured
MX
1 record(s)10 bowdoin-edu.mail.protection.outlook.com.
TXT
13 record(s)"v=spf1 redirect=_spf.bowdoin.edu" "anthropic-domain-verification-x6ngf0=EySCD0cxKvaPHMR5tIjKvJOTR" "ZOOM_verify_IbNM1L3lTcqdE3CGrgBsBQ" "jamf-site-verification=xZd1mWS5Ozw_tDe6QdZ4gA" "_xsm2e3iba5u7hgywvdpha868e6o2h4g" "docusign=f2319309-b316-44a3-85c6-f1cd933db2d8" "C451176F830B52E54B358FADDF6F0470" "hpe-greenlake-domain-verification=3472526937417778376248326d434657743578474469487833444b4b31317777" "_hg791sc5dwl6heussgzhk083lpittqx" "hcp-domain-verification=13d31a861963c2a0b2ae009b5188d49ef51db880ba14af842447b21a95d61701" "workplace-domain-verification=OsWJU3Ai3VllZM9FGZ6eVoUJPFwQhNN" "atlassian-domain-verification=KelFAHeFsZBXRny7XPK7ZihbTv5W1IxiRaOpfuAsL0cDpN88O2lBcwqE1hUkJm8x" "53C64C2AD43701267CFEB747B0C88F34"
NS
2 record(s)ns0068.secondary.cloudflare.com. ns0138.secondary.cloudflare.com.
SOA
1 record(s)ns.bowdoin.edu. noc.bowdoin.edu. 2026080700 10800 3600 1209600 3600
CAA
7 record(s)0 issue "amazon.com" 0 issue "letsencrypt.org" 0 issue "sectigo.com" 0 issuewild "emsign.com" 0 iodef "mailto:hostmaster-caa@bowdoin.edu" 0 issue "emsign.com" 0 issue "digicert.com"
DS
0 record(s)—
Not configured
DNSKEY
0 record(s)—
Not configured
RRSIG
0 record(s)—
Not configured
NSEC
0 record(s)—
Not configured
NSEC3
0 record(s)—
Not configured
SRV
0 record(s)—
Not configured
NAPTR
0 record(s)—
Not configured
TLSA
0 record(s)—
Not configured
SSHFP
0 record(s)—
Not configured
SPF
Configuredv=spf1 redirect=_spf.bowdoin.edu
DMARC
Configuredv=DMARC1; p=quarantine; rua=mailto:gw6oxy5r@ag.dmarcian.com;
DKIM
Selector selector1v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDTwz3wTwlxEbOYnV55JJiJg8D/4O2yUmjOLrdZ5kl7CXVDnsNazVnyLih84XEgrp1+hjPVDEwlfyBiT8KF3FKmJegdJtDGknfpDgdjC0DwSUZbHa1BI8XntXg5ieWzrC9hrEHa83NLBeNfFKWZ6gs4vPgtdcMy3O7HUdUfFG3V/QIDAQAB;
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Welcome to Bowdoin College | Bowdoin College
Description
Welcome to Bowdoin, a private liberal arts college in Brunswick Maine.
Final URL
https://www.bowdoin.edu/
HTTP status
206
HTTP
Status
HTTP/1.1 200 OK
Final URL
https://www.bowdoin.edu/
Version
2
Server
Apache/2.4.68 (Amazon Linux)
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
InCommon, LLC
CN
bowdoin.edu
Valid from
2026-05-11T19:00:00-05:00
Valid until
2026-11-26T17:59:59-06:00
Days remaining
108
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256
Security headers
0 activeHSTSNot detected
Content Security PolicyNot detected
X-Content-Type-OptionsNot detected
X-Frame-OptionsNot detected
Referrer PolicyNot detected
Permissions PolicyNot detected
Cross-Origin-Opener-PolicyNot detected
Cross-Origin-Embedder-PolicyNot detected
Cross-Origin-Resource-PolicyNot detected
DNS propagationComparison across public resolvers
Public resolver comparison
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8139.140.238.112
46,30 ms
Cloudflare
1.1.1.1139.140.238.112
20,12 ms
Quad9
9.9.9.9139.140.238.112
23,71 ms
OpenDNS
208.67.222.222139.140.238.112
25,07 ms
AdGuard
94.140.14.14139.140.238.112
61,68 ms
IP, geolocation and ASNAssociated network information
139.140.238.112
No datasuccess
No
country
region
city
asn
organization
isp
Visitor information
Visitorip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No
SMTPEmail port connectivity
bowdoin-edu.mail.protection.outlook.com
Port 25: Closed/unreachable - 35.5 ms - Port 465: Closed/unreachable - 4032.1 ms - Port 587: Closed/unreachable - 4039.5 ms -